Coaster with air flow design



FIG. 1 is a isometric view of a coaster with air flow design;

FIG. 2 is a front elevation view of the coaster with air flow design; the rear, left, right views being a mirror image thereof;

FIG. 3 is a top plan view of a coaster with air flow design; and,

FIG. 4 is a bottom plan view of the coaster with air flow design. 

CLAIM The ornamental design for a coaster with air flow design, as shown and described. 